diff --git a/CHANGELOG.md b/CHANGELOG.md
index 554e54f..011e46a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ Record of the modification in project development.
 
 ### Fixed
 - [Issue 32 : Ubuntu 22.04 fails to deactivate the swap](https://github.com/suikan4github/kaiten-yaki/issues/32)
+- [Issue 36 : Clear the PASSPHRASE variable at the end of installation](https://github.com/suikan4github/kaiten-yaki/issues/36)
 
 ### Known Issue